package com.zzp.gaoji;

// 生产者消费者模式:信号灯法，标志位解决
public class TestPC2 {

    public static void main(String[] args) {
        TV tv = new TV();
        new Player( tv).start();
        new Watcher(tv).start();
    }
}

//生产者-》演员
class Player extends Thread {
    TV tv;
    public Player(TV tv) {
        this.tv = tv;
    }

    @Override
    public void run() {
        for (int i = 0; i < 20; i++) {
           if(i%2==0){
               this.tv.play("快乐大本营" + i);
           }else {
               this.tv.play("抖音" + i);
           }
        }
    }
}

//消费者-》观众
class Watcher extends Thread {
    TV tv;
    public Watcher(TV tv) {
        this.tv = tv;
    }

    @Override
    public void run() {
        for (int i = 0; i < 20; i++) {
            this.tv.watch();
        }
    }
}

//产品-》节目
class TV{

    //演员表演，观众等待
    //观众观看，演员等待
    String voice; //表演的节目
    boolean flag = true; //为真演员表演，为false演员等待

    //表演
    public synchronized void play(String voice){
        if (!flag){
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        System.out.println("演员表演了：" + voice);
        //通知观众观看
        this.notifyAll();
        this.voice = voice;
        this.flag = !this.flag;

    }

    //观看
    public synchronized void watch(){
        if (flag){
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        System.out.println("观看了：" + voice);
        //通知演员表演
        this.notifyAll();
        this.flag = !this.flag;
    }





}
